I-77 NB over Congaree River

Fair Condition41 years old47,350 vehicles/day

Location

StateSouth Carolina
CountyLexington
Location5 Mi S Columbia
CarriesI-77 NB
CrossesCongaree River
Coordinates33.93213, -81.01752

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1308.1 ft (398.7 m)
Max Span180.1 ft (54.9 m)
Deck Width59.4 ft (18.1 m)
Deck Area7216.5 sq m
Main Spans5
Year Built1985

Traffic

Avg Daily Traffic47,350 (2023)
Truck Traffic16%
Lanes On Bridge3

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000007913

Nearby Bridges

I-77 SB over Congaree River 0.0 mi Fair I-77 NB over S-40-537 0.4 mi Good I-77 SB over S-40-537 0.4 mi Good I-77 SB over Congaree Creek 0.6 mi Good I-77 NB over Congaree Creek 0.6 mi Good I-77 SB over Congaree Swamp 1.0 mi Good I-77 NB over Congaree Swamp 1.0 mi Good I-77 SB over L-66 & Overflow #2 1.0 mi Fair I-77 NB over L-66 1.0 mi Fair Sc 35 over I-77 1.5 mi Fair